Time: 3 ms (65.21%), Space: 56 MB (9.04%) - LeetHub

Author: chappdev2019

3309-count-prefix-and-suffix-pairs-i/3309-count-prefix-and-suffix-pairs-i.js

@@ -7,10 +7,9 @@ var countPrefixSuffixPairs = function(words) {
     const isPrefixAndSuffix = (word1, word2) => {
         const wordOneLen = word1.length;
         const wordTwoLen = word2.length;
-        const isPrefix = () => word1 === word2.slice(0, wordOneLen);
-        const isSuffix = () => word1 === word2.slice(wordTwoLen-wordOneLen);
-        if (isPrefix() && isSuffix())  return true;
-        return false;
+        const isPrefix = word1 === word2.slice(0, wordOneLen);
+        const isSuffix = word1 === word2.slice(wordTwoLen-wordOneLen);
+        return isPrefix && isSuffix;
     }
     for (let i = 0; i < words.length; i++) {
         for (let j = i+1; j < words.length; j++) {